AR57 Ultra Light Tactical Upper Assembly 5.7x28mm - 12" Barrel, 1:9 Twist Rate, Black Melonite Finish The AR57 Ultra Light Tactical Upper Assembly is designed for precision and durability.
Featuring a 12-inch barrel with a 1:9 twist rate, this assembly is optimized for the 5.7x28mm cartridge.
The black melonite finish enhances corrosion resistance and durability.
Constructed from 7075 T6 monobloc aluminum, it ensures strength and lightweight performance.
The 8620 steel alloy bolt carrier, buffer tube, and flash hider are treated with black melonite for added resilience.
Specs:
Specifications
ManufacturerAR57
Weight3 lb
Shipping & FFL
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